903-0628-00 Rev. 1
Model 903-HD User's Guide – FMB-X-2.5
Focal Technologies Corp.
Page 3-6
3.2 Backplanes (-X Type) and Racks
BP P/N 903-7212-00 for 4VID 903-HD Remote system
BP P/N 903-7213-00 for 4VID 903 Std. Console system
BP P/N 903-7207-00 for 8VID 903-HD Remote system
BP P/N 903-7210-00 for 8VID 903 Std. Console system
The backplane cards are used to connect all the Model 903 cards and PSU modules together to make up a
Model 903 system. There are two main types of backplanes for 903 systems based on FMB-X-2.5 cards. One
is the standard -X backplane and the other is the high density -X backplane. Both types of backplanes provide
diagnostic capabilities that are used to monitor the overall status of the system.
The following table provides a list of the different backplanes used in the 4VID and 8VID systems. This table
also shows a cross reference between the backplane P/Ns and rack P/Ns.
Table 3-4: -X Backplanes Used in 4VID and 8VID Systems
System
-X Backplane
Card Rack
Name
End
P/N
Type
Width
(HP)
Number of Slots
P/N [Type]
Width
(HP)
Video
Data
PSU
4VID
Remote
903-7212-00
High
Density
12
1
0
0
903-0004-03 [CBP-100-XR]
12
Console
903-7213-00
Standard
28
1
2
1
903-0007-07 [CBP-121-XC]
42
8VID
Remote
903-7207-00
High
Density
16
2
0
0
903-0005-12 [CBP-200-XR]
16
Console
903-7210-00
Standard
44
2
4
1
903-0007-06 [CBP-241-XC]
50
For the 4VID and 8VID systems, each video and data slot occupies a standard 0.8” (4HP=0.8”) width in the
card rack. The FMB-X-2.5 and power supply slots are 1.6” (8HP) wide and the front panel power switch on
the console modules is 1.2” (6HP) wide. Boards are referenced by location within the rack in relation to the
FMB-X-2.5 slot C.
As shown in the table above, the three digits following the CBP- designator (under the “Card Rack” column)
represent the number of video, data, and power supply unit (PSU) slots respectively. An “R” in the suffix
indicates the remote rack and a “C” in the suffix indicates the console rack.
As shown in the table above, the high density -X backplane uses a proprietary 12HP/16HP design including
guided card slots for one or two high density boards (HDB-TX) and one fiber optic multiplexer board
(FMB-X-2.5). Each HDB slot takes a 4HP wide card; each FMB-X-2.5 slot takes an 8HP wide card. Note that
the high density remote racks do not have a PSU slot and instead they have DC-DC converters mounted on
the backplane. These backplanes are single voltage input (+24 VDC).
Summary of Contents for Focal 903
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